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Track packets dropped by full device TX queue

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QDisc/LinkEndpoint may drop packets if the device's send/transmit queue
is full.

BUG: https://fxbug.dev/98974
PiperOrigin-RevId: 448570489
This commit is contained in:
Ghanan Gowripalan
2022-05-13 13:54:14 -07:00
committed by gVisor bot
parent e189fb6886
commit ae508f4064
5 changed files with 40 additions and 1 deletions
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pkg/sentry/socket/netstack/netstack.go
+1
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@@ -88,6 +88,7 @@ var Metrics = tcpip.Stats{
Packets: mustCreateMetric("/netstack/nic/tx/packets", "Number of packets transmitted."),
Bytes: mustCreateMetric("/netstack/nic/tx/bytes", "Number of bytes transmitted."),
},
TxPacketsDroppedNoBufferSpace: mustCreateMetric("/netstack/nic/tx_packets_dropped_no_buffer_space", "Number of TX packets dropped as a result of no buffer space errors."),
Rx: tcpip.NICPacketStats{
Packets: mustCreateMetric("/netstack/nic/rx/packets", "Number of packets received."),
Bytes: mustCreateMetric("/netstack/nic/rx/bytes", "Number of bytes received."),